Comment by verdverm

Copilot does globs too, but if you dig into the actual prompt sent out...

They are not doing this mechanically (read file, compare to globs to add more context), they try to rely on the model to notice and do another read. It has been unreliable. I have had better results by adding instructions like...

"If the user asks about X, Read `./path/to/inst.md`"

Still lots of DX to do in this space